The Women’s March organizers put out a statement through PR firm Sunshine Sachs, confirming the arrests: “After a peaceful protest in New York City in honor of A Day Without a Woman, 10 organizers were arrested by the New York City Police Department in an act of civil disobedience.”

The NYPD later confirmed that 13 demonstrators had been arrested.

Images and videos have already cropped up on social media of Sarsour and company being arrested.